Home / 7,117.52-10,671.86-2,960.44

Finding the Fourth Proportional to 7,117.52, 10,671.86 and 2,960.44

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Solution

The fourth proportional to 7,117.52, 10,671.86 and 2,960.44 is: 4,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.52 : 10,671.86 = 2,960.44 : x
  2. Step 2: Convert to fraction form
    7,117.52/10,671.86 = 2,960.44/x
  3. Step 3: Cross multiply
    7,117.52x = 10,671.86 × 2,960.44
  4. Step 4: Simplify right side
    7,117.52x = 31,593,401.22
  5. Step 5: Solve for x
    x = 31,593,401.22/7,117.52
  6. Step 6: Final answer
    x = 4,438.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.